DR. MICHELLE EUNJOO LEE D.O.
NPI 1528592870
Emergency Medicine in La Palma, CA

Active since April 13, 2017PECOS Enrolled
7901 WALKER ST, LA PALMA, CA 90623(714) 670-7400 Get Directions Write a Review

NPPES record last updated: November 30, 2021. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Nov 30, 2021, Sep 23, 2020, May 27, 2020 and 2 more (5 updates tracked since 2017).

About Dr. Michelle Eunjoo Lee D.o. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MICHELLE EUNJOO LEE D.O. (NPI 1528592870) is an individual emergency medicine provider in La Palma, California, licensed in California (20A18224) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1528592870
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameDR. MICHELLE EUNJOO LEECredential: D.O.
Location Address7901 WALKER STLa Palma, CA 90623-1722
Mailing Address8251 La Palma Ave Unit 394Buena Park, CA 90620-3205
Sole ProprietorYes
Enumeration DateApril 13, 2017
Last NPPES UpdateNovember 30, 20215 updates tracked since enumeration
NPPES CertifiedNovember 30, 2021
✔ NPI 1528592870 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in CA · 20A18224
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
7901 WALKER ST, La Palma, CA 90623

Secondary Practice Locations 2

Location 1750 E Adams StSyracuse, NY 13210-2306 · Phone (315) 464-4363
Location 23440 E La Palma AveAnaheim, CA 92806-2020 · Phone (714) 644-2800

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Michelle Eunjoo Lee D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Michelle Lee reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Emergency Medicine
7901 WALKER ST
La Palma, CA 90623
  • Reassigned Medicare billing, California enrollment
  • 62 clinicians in this Medicare group
Health Maintenance Organization
1893 W MALVERN AVE
Fullerton, CA 92833
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90623 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Anesthesiology
7901 WALKER ST
LA PALMA, CA 90623
General Acute Care Hospital
7901 WALKER ST
LA PALMA, CA 90623
Emergency Medicine
7901 WALKER ST
LA PALMA, CA 90623
Anesthesiology
7901 WALKER ST
LA PALMA, CA 90623
Anesthesiology
7901 WALKER ST
LA PALMA, CA 90623
Anesthesiology
7901 WALKER ST
LA PALMA, CA 90623
Hospitalist
7901 WALKER ST
LA PALMA, CA 90623
Anesthesiology
7901 WALKER ST
LA PALMA, CA 90623

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Michelle Lee's NPI number?

The NPI number for Michelle Lee is 1528592870. It was assigned to this individual provider in the NPPES registry on April 13, 2017.

Where is Michelle Lee located?

Michelle Lee practices at 7901 Walker St, La Palma, CA 90623. The listed phone number is (714) 670-7400.

What is Michelle Lee's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Michelle Lee enrolled in Medicare?

Yes. Michelle Lee is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Michelle Lee's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michelle Lee reassigns Medicare benefits to 2 organizations: Orange County Emergency Medical Associates, Inc. (La Palma, CA) and Southern California Permanente Medical Group (Fullerton, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Michelle Lee's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Michelle Lee was last updated on November 30, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.